/**
 * 对日期进行格式化。
 */
$(function () {
    Date.prototype.format = function (format) {
        /*
        * format="yyyy-MM-dd hh:mm:ss";
        */
        var o = {
            "M+": this.getMonth() + 1,
            "d+": this.getDate(),
            "h+": this.getHours(),
            "m+": this.getMinutes(),
            "s+": this.getSeconds(),
            "q+": Math.floor((this.getMonth() + 3) / 3),
            "S": this.getMilliseconds()
        }

        if (/(y+)/.test(format)) {
            format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4
                - RegExp.$1.length));
        }

        for (var k in o) {
            if (new RegExp("(" + k + ")").test(format)) {
                format = format.replace(RegExp.$1, RegExp.$1.length == 1
                    ? o[k]
                    : ("00" + o[k]).substr(("" + o[k]).length));
            }
        }
        return format;
    };

});
